Environment

One of the Philippines' most active volcanos is erupting — again. Over the weekend, Mount Mayon began oozing lava after weeks of increased seismic activity.

The federal government has now spent more than $8.5 billion on water rights settlements with Native American tribes. Tribes have to give up a lot in return, and hundreds more have yet to settle.

The hazardous smoke that blanketed the Midwest and East Coast last week has largely cleared. But the massive wildfires in eastern Canada that generated the smoke are still very much alive.

Thousands of dead fish washed ashore in southeast Texas this past weekend. The cause of death was low oxygen, meaning fish struggled to "breathe" in the warm weather.

Chemical physicist Stafford Sheehan invented a process that can turn carbon dioxide into yeast. It's now a finalist in the NASA-sponsored Deep Space Food Challenge.

Champion of her ancestral forest, Brazilian Indigenous activist Alessandra Korap Munduruku was one of this year's recipients of the Goldman Environmental Prize for grassroots activists.

Rain is expected to start on Sunday evening, potentially helping to put out wildfires in Canada's Alberta and Quebec provinces. This is already the country's worst wildfire year on record.

The Zaporizhzhia Nuclear Power Plant used a large reservoir for cooling water. Now that reservoir is rapidly draining.